.lt_trade {
  width: 100%;
  height: 45px;
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 5px 10px;
  background-color: #f5f5f5;
  border-top: 1px solid #ddd;
}
.lt_trade .right {
  float: right;
}
.lt_item {
  padding: 10px;
  border-top: 1px solid #ddd;
}
.lt_item .now {
  color: red;
  font-size: 14px;
}
.lt_item .old {
  color: #666;
  font-size: 16px;
}
.lt_item .size {
  padding: 5px;
  font-size: 12px;
  background-color: #f5f5f5;
  border: 1px solid #ccc;
  line-height: 30px;
}
.lt_item .size.now {
  background-color: #069;
  color: #fff;
}
.lt_item .num {
  font-size: 14px;
}
.btn_righ {
  right: 0;
}
.btn_righ .mui-icon {
  font-size: 20px;
  line-height: 45px;
}
.loading {
  height: 320px;
  width: 100%;
  text-align: center;
  line-height: 320px;
}
